import React, { useState, useEffect } from 'react';import { usePlaidLink } from 'react-plaid-link';const App = () => { const [transactions, setTransactions] = useState([]); const [token, setToken] = useState(null); useEffect(() => { // In a real app, you'd fetch the link token from your server const createLinkToken = async () => { const response = await fetch('/api/create_link_token', { method: 'POST' }); const { link_token } = await response.json(); setToken(link_token); }; createLinkToken(); }, []); const onSuccess = React.useCallback((publicToken, metadata) => { // Send publicToken to your server to exchange for an access token // Then use the access token to fetch transactions fetch('/api/exchange_public_token', { method: 'POST', body: JSON.stringify({ public_token: publicToken }), }) .then(response => response.json()) .then(data => { // Fetch transactions using the access token return fetch('/api/transactions', { method: 'GET', headers: { 'Authorization': `Bearer ${data.access_token}` } }); }) .then(response => response.json()) .then(transactionData => { setTransactions(transactionData.transactions); }); }, []); const config = { token, onSuccess,}; const { open, ready } = usePlaidLink(config); return (

My Budgeting App

{!ready ? (

) : ( )}

Recent Transactions

{transaction.date} - {transaction.name}: ${transaction.amount}

);};export default App;